Fix a COVTCTII (crash-on-valid-that-clang-thinks-is-invalid, duh),
note_previous_decl was used where note_previous_declaration was intended. Better
names or PR5785 might be nice.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 7cdc275..358f445 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -1427,7 +1427,7 @@
   if (!VD) {
     Diag(Loc, diag::err_ref_non_value) 
       << D << SS.getRange();
-    Diag(D->getLocation(), diag::note_previous_decl);
+    Diag(D->getLocation(), diag::note_previous_declaration);
     return ExprError();
   }